Fedora.
I’ve tried them all but found it’s the most reliable. It’s upgrades are even more reliable than Macos and Windows.
Packages are very up to date but also well tested. Sometimes even newer than Arch for short periods.
The community is awesome.
I love Gnome, I’ve found it’s more consistent than even MacOs in its design. And it has perfect keyboard shortcuts.
Get a domain and register an MX record.
If your email provider shuts down, forward the mail somewhere else.